1906-1931 in Omaruru, Okahandja, Gobabis, Heimatdienst 1931-1947; Letters and Reports, 1906-1954; Curriculum Vitae (2 versions), medical certificate, 1897-1906; Report on the spiritual service of the white population in the district Gobabis 1916-1919, 5 p..., ms, 1919; Zur Geschichte d. Mission in Gobabis, 1932; Rentenangelegenheiten, 1946-1954; Letters to Adolf Schick, formerly Omburo then Geislingen, 1950-1954; Letters to Carl Bergers, 1953-1954; Obituary for Jakob Friedrich Johann Irle, 1954;